<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            height: 300px;
            border: solid 1px blue;
            background-image: url('./images/cover.jpg');
            background-size: 100% 100%;
            background-repeat: no-repeat;
            /* background-position: 100px 50px; */
            background-attachment: fixed;
        }

        .jlt{
            width: 80px;
            height: 80px;
            background-image: url(./images/img.jpg);
            background-position: 0 -80px;
        }
    </style>
</head>
<body>

    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    
    <div class="box"></div>

    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    <div class="jlt"></div>
    

</body>
</html>